self tapping screw

基本解釋

The tip of the self tapping screw which aligns the channel bar is directly rotated with a screw by a screw driver.
將自攻螺絲的尖端對準溝槽用起子直接旋壓螺絲即可。
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It mainly introduces a new joint technology of self—tapping screw, insert joint after injection molding, snap joint, etc.
重點介紹了自攻螺釘連接、模塑后嵌入的嵌件連接，卡入連接等較新的連接技術。
A section bar of a self tapping screw for saving drilling hole is provided with high-tightening force, which belongs to the design preparation technical field of the section bar.
可免鉆孔上自攻螺絲并具有高緊固力的型材，屬型材的設計制造技術領域。
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